Measuring tool for steel column installation groove gap

By designing a measuring tool that includes a spirit level and a rotating ruler and combining it with the Pythagorean theorem, the problem that existing tools cannot accurately measure the groove gap is solved, accurate measurement of the groove gap is achieved, and welding quality and construction efficiency are improved.

CN223361326UActive Publication Date: 2025-09-19CHINA CONSTR FIFTH ENG DIV CORP LTD
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Patent Information

Application Number
CN202422705651.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-09-19
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Existing tools are unable to accurately measure the groove gap during steel column installation, affecting welding quality and construction efficiency.

Method used

A measuring tool consisting of a spirit level and a rotating ruler was designed. By setting fixed components and scale values ​​and combining the Pythagorean theorem, accurate measurement of the groove gap was achieved.

Benefits of technology

It achieves accurate measurement of the groove gap, ensures welding quality and improves construction efficiency, avoiding increased welding workload and structural safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tool for measuring the installation groove gap of a steel column, which belongs to the technical field of steel column correction and steel column acceptance, and comprises a measuring tool body, the measuring tool body comprises a horizontal ruler and a rotating ruler, the horizontal ruler is L-shaped, the rotating ruler is rotatably installed at one end of the horizontal ruler through a rotating shaft, and the rotating ruler is connected with the horizontal ruler. An arc-shaped groove is formed in the horizontal ruler, the other end of the rotating ruler is installed in the arc-shaped groove in a sliding mode, a first fixing hole and a second fixing hole are formed in the arc-shaped groove, a fixing assembly matched with the first fixing hole and the second fixing hole is arranged on the rotating ruler, the rotating ruler is fixed to the back face of the horizontal ruler through the fixing assembly, and scale values are arranged on the front face of the horizontal ruler. The rotating shaft is provided with a pointer, a 45-degree angle value and a 35-degree angle value are arranged beside the pointer, and the 45-degree angle value and the 35-degree angle value are respectively matched with the first fixing hole and the second fixing hole.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel column correction and steel column acceptance, and more specifically relates to a tool for measuring the gap between grooves of steel column installations. Background Art

[0002] When welding adjacent steel columns, it is necessary to open a groove on one of the steel columns to facilitate welding of adjacent steel columns. According to the requirements of the steel structure node construction detailed drawing "01SG519", when the steel column plate thickness is less than or equal to 36mm, the groove angle is 45°, and the groove gap is 5mm; when the steel column plate thickness is greater than or equal to 38mm, it is 35°, and the groove gap is 9mm; according to the GB50205-2020 "Steel Structure Engineering Construction Quality Acceptance Standard" specification requirements: The allowable deviation of the weld group gap of the spliced ​​joint of the steel column with liner is -2 to +3mm.

[0003] During the installation of steel columns, the groove gap must be adjusted to meet regulatory requirements. If the groove gap is too large, the welding workload will increase, affecting construction efficiency. If the groove gap is too small, the weld penetration will be insufficient, affecting structural safety, requiring rework, and causing unnecessary financial and construction time losses.

[0004] However, existing tools mainly use feeler gauges to measure gaps, but the feeler gauges are blocked by the lining plate and cannot completely clamp the gap for accurate measurement, resulting in low measurement accuracy. Therefore, a tool for measuring the gap of steel column installation grooves is needed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a tool for measuring the groove gap of steel column installation, which has the advantage of quickly measuring the groove gap.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A tool for measuring the gap of a steel column installation groove includes a measuring tool body, the measuring tool body including a level and a rotating ruler, the level is L-shaped, the rotating ruler is rotatably mounted on one end of the level via a rotating shaft, an arcuate groove is provided on the level, the other end of the rotating ruler is slidably mounted in the arcuate groove, a first fixing hole and a second fixing hole are provided in the arcuate groove, a fixing assembly matching the first fixing hole and the second fixing hole is provided on the rotating ruler, the rotating ruler is fixed to the back of the level through the fixing assembly, a scale value is provided on the front of the level, an indicator needle is installed on the rotating shaft, and a 45° angle value and a 35° angle value are provided next to the indicator needle, the 45° angle value and the 35° angle value respectively matching the first fixing hole and the second fixing hole.

[0008] The advantages of this solution are at least that: when measuring the groove, first adjust the ruler to the corresponding angle according to the thickness of the steel column and fix it through the fixing component, then place the spirit level into the joint of the steel columns until the ruler or the measuring part is in complete contact with the inclined surface of the groove, read the horizontal scale value at the intersection with the upper section of the steel column, the groove angle α is known, according to the Pythagorean theorem, the corresponding length h of the groove can be obtained by multiplying the plate thickness t by tanα, by recording the length A corresponding to the scale value, the accurate groove gap size b can be obtained using Ah.

[0009] The utility model is further configured as follows: the fixing assembly includes a fixing head installed inside the turn ruler, a chamber is opened inside the turn ruler, a movable hole connected to the chamber is opened on the turn ruler, the fixing head is slidably installed in the movable hole and the chamber, the fixing head is integrally formed by a locking head, a sliding plate and a pull rod, a spring is installed between the sliding plate and the inner top surface of the chamber, and one end of the locking head is semi-spherical.

[0010] The advantage of this solution is at least that when the angle of the ruler needs to be adjusted, one only needs to pull the pull rod by hand to pull the lock head out of the first fixing hole, then rotate the ruler in the arc groove to above the second fixing hole, and release the pull rod while rotating the ruler. When the lock head is coaxial with the second fixing hole, the lock head is ejected into the second fixing hole under the action of the spring, and the angle of the ruler can be adjusted.

[0011] The utility model is further configured as follows: one end of the lock head is in a semi-spherical shape.

[0012] The advantage of this solution is at least that the semi-spherical end portion helps to insert into the first fixing hole and the second fixing hole more smoothly, avoiding the occurrence of jamming.

[0013] The utility model is further configured as follows: a pull ring is installed at the end of the pull rod, and a clearance groove for the pull ring to be placed in and a hand groove for conveniently taking out the pull ring are opened on the rotary ruler.

[0014] The advantages of this solution are at least that the pull ring allows the user to quickly pull the lock head out of the first fixing hole and the second fixing hole, the clearance groove can well accommodate the pull ring, and the hand groove can more conveniently remove the pull ring from the clearance groove.

[0015] The utility model is further configured as follows: magnet blocks that attract each other magnetically are provided on the bottom of the give way groove and the pull ring.

[0016] The advantage of this solution is at least that the pull ring can be well fixed in the clearance groove by utilizing the attraction property of opposite poles of the magnet block.

[0017] The utility model is further configured as follows: scale lines matching the scale values ​​are provided on the rotary ruler.

[0018] The advantage of this solution is at least that the scale line makes it easier to read the scale value when measuring a 45° groove.

[0019] In summary, the present invention has at least the following advantages:

[0020] 1. By setting up a level and a ruler, when measuring the groove, first adjust the ruler to the corresponding angle according to the thickness of the steel column and fix it with the fixing component. Then, place the level at the joint of the steel columns until the ruler or the measuring part is in full contact with the inclined surface of the groove. Read the horizontal scale value at the intersection with the upper section of the steel column. The groove angle α is known. According to the Pythagorean theorem, the corresponding groove length h can be obtained by multiplying the plate thickness t by tanα. By recording the length A corresponding to the scale value, the accurate groove gap size b can be obtained using Ah;

[0021] 2. By setting up a fixing assembly, when the angle of the turn ruler needs to be adjusted, you only need to pull the pull rod and pull the lock head out of the first fixing hole, then rotate the turn ruler in the arc groove to above the second fixing hole. When the turn ruler is rotated, release the pull rod. When the lock head is coaxial with the second fixing hole, the spring will spring the lock head into the second fixing hole, and the turn ruler angle can be adjusted.

[0022] 3. By providing the pull ring, the clearance groove and the hand groove, the pull ring facilitates the user to pull the lock head out of the first fixing hole and the second fixing hole more quickly, the clearance groove can well accommodate the pull ring, and the hand groove can more conveniently take the pull ring out of the clearance groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an overall schematic diagram of the embodiment after being matched with the steel column;

[0024] Figure 2 Schematic diagram of the overall embodiment;

[0025] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0026] Figure 4 This is an overall exploded schematic diagram of this embodiment;

[0027] Figure 5 is a schematic three-dimensional cross-sectional view of the rotary ruler in this embodiment;

[0028] Figure 6 for Figure 5 An enlarged schematic diagram of part B;

[0029] Figure 7Schematic diagram of the whole lock in this embodiment;

[0030] Figure 8 It is a front view of this embodiment.

[0031] Figure numerals: 1. Measuring tool body; 101. Level; 1011. Measuring part; 102. Rotating ruler; 2. Rotating shaft; 3. Arc groove; 4. First fixing hole; 5. Second fixing hole; 6. Fixing assembly; 601. Fixing head; 6011. Locking head; 6012. Sliding plate; 6013. Pull rod; 7. Scale value; 8. Indicator needle; 9. 45° angle value; 10. 35° angle value; 11. Chamber; 12. Movable hole; 13. Spring; 14. Pull ring; 15. Make way groove; 16. Hand grip groove; 17. Magnet block; 18. Scale line; 19. Upper steel column; 20. Lower steel column; 21. Lining plate; 22. Bevel. DETAILED DESCRIPTION

[0032] The present invention will be described in further detail below with reference to the accompanying drawings.

[0033] A tool for measuring the gap between the grooves of steel column installations, such as Figure 1 、 Figure 2 As shown, the measuring tool body 1 includes a level 101 and a rotating ruler 102. The level 101 is L-shaped, and the rotating ruler 102 is rotatably mounted on one end of the level 101 via a rotating shaft 2. Figure 3 、 Figure 4 As shown, a level 101 is provided with an arcuate slot 3, and the other end of a rotating ruler 102 is slidably mounted within the arcuate slot 3. A first fixing hole 4 and a second fixing hole 5 are provided within the arcuate slot 3. A fixing assembly 6 is provided on the rotating ruler 102, which matches the first fixing hole 4 and the second fixing hole 5. The rotating ruler 102 is fixed to the back of the level 101 via the fixing assembly 6. The front of the level 101 is provided with scale marks 7. An indicator needle 8 is mounted on the rotating shaft 2. Next to the indicator needle 8 are 45° and 35° angle marks 9 and 10, which match the first fixing hole 4 and the second fixing hole 5, respectively. To increase the structural strength of the level 101, a reinforcing rib 18 is installed on the level 101.

[0034] like Figure 5 、 Figure 6As shown, in order to better adjust the turn ruler 102 and fix the turn ruler 102, in some embodiments, the fixing assembly 6 includes a fixed head 601 installed inside the turn ruler 102, a chamber 11 is provided inside the turn ruler 102, and a movable hole 12 connected to the chamber 11 is provided on the turn ruler 102. The fixed head 601 is slidably installed in the movable hole 12 and the chamber 11. The fixed head 601 is integrally formed by a lock head 6011, a sliding plate 6012, and a pull rod 6013. A spring 13 is installed between the sliding plate 6012 and the inner top surface of the chamber 11. One end of the lock head 6011 is semi-spherical. It is worth mentioning that one end of the lock head 6011 is semi-spherical. The semi-spherical end helps to more smoothly insert into the first fixing hole 4 and the second fixing hole 5 to avoid jamming.

[0035] like Figure 7 As shown, in some embodiments, in order to facilitate the user to pull the lock head 6011 out of the first fixing hole 4 and the second fixing hole 5 more quickly, a pull ring 14 is installed at the end of the pull rod 6013, and a makeshift groove 15 for the pull ring 14 to be placed in, as well as a handle groove 16 for conveniently removing the pull ring 14, are provided on the turntable 102.

[0036] In order to prevent the pull ring 14 from moving around in the clearance groove 15 , a magnet block 17 that attracts each other magnetically is provided on the bottom of the clearance groove 15 and the pull ring 14 .

[0037] The working process and beneficial effects of the utility model are as follows:

[0038] When measuring the groove 22 (refer to Figure 8 ), first adjust the ruler 102 to the corresponding angle according to the thickness of the steel column and fix it through the fixing component 6, then place the level ruler 101 into the joint of the steel columns until the ruler 102 or the measuring part 1011 is in complete contact with the inclined surface of the groove 22, read the horizontal scale value 7 at the intersection with the upper section of the steel column 19, the angle α of the groove 22 is known, according to the Pythagorean theorem, the length h corresponding to the groove 22 can be obtained by multiplying the plate thickness t by tanα, by recording the length A corresponding to the scale value 7, the accurate groove 22 gap size b can be obtained using Ah.

[0039] When the angle of the turn ruler 102 needs to be adjusted, just pull the pull rod 6013 by hand, pull the lock head 6011 out of the first fixing hole 4, and then rotate the turn ruler 102 in the arc groove 3 to above the second fixing hole 5. When rotating the turn ruler 102, release the pull rod 6013. When the lock head 6011 is coaxial with the second fixing hole 5, the lock head 6011 is bounced into the second fixing hole 5 under the action of the spring 13, and the angle adjustment of the turn ruler 102 is completed.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tool for measuring the gap between steel column installation grooves, characterized by: The measuring tool comprises a measuring tool body (1), wherein the measuring tool body (1) comprises a level ruler (101) and a rotating ruler (102), wherein the level ruler (101) is provided with a measuring portion (1011), the rotating ruler (102) is rotatably mounted on one end of the level ruler (101) via a rotating shaft (2), an arcuate groove (3) is provided on the level ruler (101), the other end of the rotating ruler (102) is slidably mounted in the arcuate groove (3), a first fixing hole (4) and a second fixing hole (5) are provided in the arcuate groove (3), and a measuring portion (1011) is provided on the level ruler (101), wherein the ... 2) is provided with a fixing assembly (6) that matches the first fixing hole (4) and the second fixing hole (5), the rotating ruler (102) is fixed to the back of the level ruler (101) through the fixing assembly (6), the front of the level ruler (101) is provided with a scale value (7), an indicator needle (8) is installed on the rotating shaft (2), and a 45° angle value (9) and a 35° angle value (10) are provided next to the indicator needle (8), and the 45° angle value (9) and the 35° angle value (10) respectively match the first fixing hole (4) and the second fixing hole (5).

2. A tool for measuring the gap between steel column installation grooves according to claim 1, characterized in that: The fixing assembly (6) includes a fixing head (601) installed inside the turn ruler (102) and a fixing hole opened in the arc groove (3); a chamber (11) is opened inside the turn ruler (102); a movable hole (12) connected to the chamber (11) is opened on the turn ruler (102); the fixing head (601) is slidably installed in the movable hole (12) and the chamber (11); the fixing head (601) is formed of three parts, namely a locking head (6011), a sliding plate (6012) and a pull rod (6013), and a spring (13) is installed between the sliding plate (6012) and the inner top surface of the chamber (11).

3. A tool for measuring the gap between steel column installation grooves according to claim 2, characterized in that: One end of the lock (6011) is semi-spherical.

4. A tool for measuring the gap between steel column installation grooves according to claim 3, characterized in that: A pull ring (14) is installed at the end of the pull rod (6013), and a clearance groove (15) for the pull ring (14) to be placed in, and a hand groove (16) for facilitating the removal of the pull ring (14) are provided on the rotating ruler (102).

5. The tool for measuring the gap between steel column installation grooves according to claim 4, characterized in that: A magnetically attracted magnet block (17) is provided on the bottom of the relief groove (15) and the pull ring (14).

6. The tool for measuring the gap between steel column installation grooves according to claim 5, characterized in that: Scale lines (18) matching the scale values ​​are provided on the rotation ruler (102).